Question

решите уравнение (7×-5)+3=12

Answer 1

$(7x - 5) + 3 = 12 \ 7x - 2 = 12 \ 7x = 12 + 2 \ 7x = 14 \ x = 14 div 7 \ x = 2$

Answer 2

7х-5+3=12
7х-2=12
7х=12+2
7х=14
х= 14:7
х=2